CVE-2018-20017

CVE-2018-20017 is a medium-severity vulnerability in Sem-cms Semcms with a CVSS 3.x base score of 4.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Description

SEMCMS 3.5 has XSS via the first text box to the SEMCMS_Main.php URI.

Frequently asked questions

What is CVE-2018-20017?
SEMCMS 3.5 has XSS via the first text box to the SEMCMS_Main.php URI.
How severe is CVE-2018-20017?
CVE-2018-20017 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-20017 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20017?
CVE-2018-20017 affects Sem-cms Semcms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-20017?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-20017 published?
CVE-2018-20017 was published on 2018-12-10 and last updated on 2026-06-17.

References

Affected products (1)

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